Northern Prairie Wildlife Research Center
Andersen, U. V. 1995. Comparison of dispersal strategies of alien and native
species in the Danish flora. Pages 61-70 in P. Pysek, K. Prach, M. Rejmanek,
and M. Wade, editors. Plant invasions: general aspects and special
problems. SPB Academic, Amsterdam, The Netherlands.
Barker, W. T., et al. 1986. Flora of the Great Plains. University Press of
Kansas, Lawrence, Kansas, USA.
Beerling, D. J. 1995. General aspects of plant invasions: an overview. Pages
237-247 in P. Pysek, K. Prach, M. Rejmanek, and M. Wade, editors. Plant
invasions: general aspects and special problems. SPB Academic, Amsterdam,
The Netherlands.
Belcher, J. W., and S. D. Wilson. 1989. Leafy spurge and the species compos-
ition of a mixed-grass prairie. Journal of Range Management 42:172-175.
Bonham, C. D. 1989. Measurements for terrestrial vegetation. John Wiley & Sons,
New York, New York, USA.
Burke, I. C., W. K. Lauenroth, and W. J. Parton. 1997. Regional and temporal
variation in net primary production and nitrogen mineralization in grass-
lands. Ecology 78: 1330-1340.
Burnham, K. P., and D. R. Anderson. 1998. Model selection and inference: a prac-
tical information-theoretic approach. Springer-Verlag, New York, New York,
USA.
Crawley, M. J. 1987. What makes a community invasible? Pages 429-453 in A. J.
Gray, M. J. Crawley, and P. J. Edwards, editors. Colonization, succession
and stability. Blackwell, Oxford, UK.
Crawley, M. J. 1989. Chance and timing in biological invasions. Pages 407-423
in J. A. Drake, H. A. Mooney, F. di Castri, R. H. Groves, F. J.
Kruger, M. Rejmanek, and M. Williamson, editors. Biological invasions: a
global perspective. John Wiley & Sons, Brisbane, Australia.
Daehler, C. C. 1998. The taxonomic distribution of invasive angiosperm plants:
ecological insights and comparison to agricultural weeds. Biological Con-
servation 84:167-180.
D'Antonio, C. M. 1993. Mechanisms controlling invasion of coastal plant com-
munities by the alien succulent Carpobrotus edulis. Ecology 74:83-95.
Daubenmire, R. 1978. Plant geography. Academic Press, New York, New York, USA.
DeFerrari, C. M., and R. J. Naiman. 1994. A multi-scale assessment of the
occurrence of exotic plants on the Olympic Peninsula, Washington. Journal
of Vegetation Science 5:247-258.
Edwards, K. R., M. S. Adams, and J. Kvet. 1995. Invasion history and ecology
of Lythrum salicaria in North America. Pages 161-180 in P. Pysek, K.
Prach, M. Rejmanek, and M. Wade, editors. Plant invasions: general aspects
and special problems. SPB Academic, Amsterdam, The Netherlands.
Elzinga, C. L., D. W. Salzer, and J. W. Willoughby. 1998. Measuring and
monitoring plant populations. U.S. Department of the Interior, Bureau of
Land Management, Technical Reference 1730-1, Denver, Colorado, USA.
Greenberg, C. H., S. H. Crownover, and D. R. Gordon. 1997. Roadside soils: a
corridor for invasion of xeric scrub by nonindigenous plants. Natural
Areas Journal 17:99-109.
Hanson, H. C., and W. Whitman. 1938. Characteristics of major grassland types in
western North Dakota. Ecological Monographs 8:57-114.
Harrison, S. 1999a. Local and regional diversity in a patchy landscape: native,
alien, and endemic herbs on serpentine. Ecology 80:70-80.
Harrison, S. 1999b. Native and alien species diversity at the local and reg-
ional scales in a grazed California grassland. Oecologia 121:99-106.
Hiebert, R. D. 1997. Prioritizing invasive plants and planning for management.
Pages 195-212 in J. O. Luken and J. W. Thieret, editors. Assessment and
management of plant invasions. Springer-Verlag, New York, New York, USA.
Hobbs, R. J. 1989. The nature and effects of disturbance relative to invasions.
Pages 389-405 in J. A. Drake, H. A. Mooney, F. di Castri, R. H. Groves, F.
J. Kruger, M. Rejmanek, and M. Williamson, editors. Biological invasions:
a global perspective. John Wiley & Sons, Brisbane, Australia.
Hobbs, R. J., and L. F. Huenneke. 1992. Disturbance, diversity, and invasion:
implications for conservation. Conservation Biology 6:324-337.
Kemper, J., R. M. Cowling, and D. M. Richardson. 1999. Fragmentation of South
African renosterveld shrublands: effects on plant community structure and
conservation implications. Biological Conservation 90:103-111.
Knops, J. M. H., J. R. Griffin, and A. C. Royalty. 1995. Introduced and native
plants of the Hastings Reservation, central coastal California: a compar-
ison. Biological Conservation 71:115-123.
Kotanen, P. M., J. Bergelson, and D. L. Hazlett. 1998. Habitats of native and
exotic plants in Colorado shortgrass steppe: a comparative approach.
Canadian Journal of Botany 76:664-672.
Mack, R. N. 1981. Invasion of Bromus tectorum L. into western North America: an
ecological chronicle. Agro-Ecosystems 7:145-165.
Mack, R. N. 1989. Temperate grasslands vulnerable to plant invasions: character-
istics and consequences. Pages 155-179 in J. A. Drake, H. A. Mooney, F. di
Castri, R. H. Groves, F. J. Kruger, M. Rejmanek, and M. Williamson, editors.
Biological invasions: a global perspective. John Wiley & Sons, Brisbane,
Australia.
Mack, R. N. 1995. Understanding the processes of weed invasions: the influence
of environmental stochasticity. British Crop Protection Council Symposium
Proceedings: weeds in a changing world 64:65-74.
McClaran, M. P., and M. E. Anable. 1992. Spread of introduced Lehmann lovegrass
along a grazing intensity gradient. Journal of Applied Ecology 29:92-98.
McIntyre, S., and S. Lavorel. 1994. Predicting richness of native, rare, and
exotic plants in response to habitat and disturbance variables across a
variegated landscape. Conservation Biology 8:521-531.
Milchunas, D. G., W. K. Lauenroth, and P. L. Chapman. 1992. Plant competition,
abiotic, and long-term and short-term effects of large herbivores on demo-
graphy of opportunistic species in a semiarid grassland. Oecologia 92:520-
531.
Parker, I. M., S. K. Mertens, and D. W. Schemske. 1993. Distribution of seven
native and two exotic plants in a tallgrass prairie in southeastern
Wisconsin: the importance of human disturbance. American Midland Natural-
ist 130: 43-55.
Planty-Tabacchi, A., E. Tabacchi, R. J. Naiman, C. DeFerrari, and H. DeCamps.
1996. Invasibility of species-rich communities in riparian zones. Cons-
ervation Biology 10:598-607.
Pysek, P. 1995. Recent trends in studies on plant invasions (1974-1993). Pages
223-236. in P. Pysek, K. Prach, M. Rejmanek, and M. Wade, editors. Plant
invasions: general aspects and special problems. SPB Academic Publishing,
Amsterdam, The Netherlands.
Pysek, P. K. Prach, and P. Smilauer. 1995. Relating invasion success to plant
traits: an analysis of the Czech alien flora. Pages 39-60 in P. Pysek, K.
Prach, M. Rejmanek, and M. Wade, editors. Plant invasions: general aspects
and special problems. SPB Academic Publishing, Amsterdam, The Netherlands.
Qi, M., and M. K. Upadhyaya. 1993. Seed germination ecophysiology of meadow
salsify (Tragopogon pratensis) and western salsify (T. dubius). Weed
Science 41:362-368.
Redmann, R. E. 1975. Production ecology of grassland plant communities in
western North Dakota. Ecological Monographs 45:83-106.
Rejmanek, M. 1989. Invasibility of plant communities. Pages 369-388 in J. A.
Drake, H. A. Mooney, F. di Castri, R. H. Groves, F. J. Kruger, M. Rejmanek,
and M. Williamson, editors. Biological invasions: a global perspective.
John Wiley & Sons, Brisbane, Australia.
Rejmanek, M. 1995. What makes a species invasive? Pages 3-13 in P. Pysek, K.
Prach, M. Rejmanek, and M. Wade, editors. Plant invasions: general aspects
and special problems. SPB Academic Publishing, Amsterdam, The Netherlands.
Rejmanek, M. 1996. A theory of seed plant invasiveness: the first sketch. Biological
Conservation 78:171-181.
Rejmanek, M., and D. M. Richardson. 1996. What attributes make some plant spec-
ies more invasive? Ecology 77:1655-1661.
SAS Institute. 1992. SAS Technical Report P-229, SAS/STAT Software: changes and
enhancements. Release 6.07. SAS Institute, Cary, North Carolina, USA.
Smith, M. D., and A. K. Knapp. 1999. Exotic plant species in a C-4-dominated
grassland: invasibility, disturbance, and community structure. Oecologia
120:605-612.
Stapanian, M. A., S. D. Sundberg, G. A. Baumgardner, and A. Liston. 1998. Alien
plant species composition and associations with anthropogenic disturbance
in North American forests. Plant Ecology 139:49-62.
Stohlgren, T. J., D. Binkley, G. W. Chong, M. A. Kalkhan, L. D. Schell, K. A.
Bull, Y. Otsuki, G. Newman, M. Bashkin, and Y. Son. 1999. Exotic plant
species invade hot spots of native plant diversity. Ecological Monographs
69:25-46.
Stohlgren, T., K. Bull, Y. Otsuki, C. Villa, and M. Lee. 1998. Riparian zones
as havens for exotic plant species in the central grasslands. Plant Eco-
logy 138:113-125.
Stromberg, J. C., L. Gengarelly, and B. F. Rogers. 1997. Exotic herbaceous spec-
ies in Arizona's riparian ecosystems. Pages 45-57 in J. H. Brock, M. Wade,
P. Pysek, and D. Green, editors. Plant invasions: studies from North
America and Europe. Backhuys, Leiden, The Netherlands.
Thompson, J. D. 1991. The biology of an invasive plant. BioScience 41:393-400.
Turkington, R. A., P. B. Cavers, and E. Empel. 1978. The biology of Canadian
weeds. 29. Melilotus alba Desr. and M. officinalis (L.) Lam. Canadian
Journal of Plant Science 58:523-537.
Tyser, R. W., and C. A. Worley. 1992. Alien flora in grasslands adjacent to road
and trail corridors in Glacier National Park, Montana (U.S.A.). Conser-
vation Biology 6:253-262.
Usher, M. B. 1988. Biological invasions of nature reserves: a search for gener-
alisations. Biological Conservation 44: 119-135.
Vitousek, P. M., and L. R. Walker. 1989. Biological invasion by Myrica faya in
Hawai'i: plant demography, nitrogen fixation, ecosystem effects. Eco-
logical Monographs 59: 247-265.
Wedin, D., and D. Tilman. 1993. Competition among grasses along a nitrogen grad-
ient: initial conditions and mechanisms of competition. Ecological Mono-
graphs 63:199-229.
Whitman, W. C., and M. K. Wali. 1975. Grasslands of North Dakota. Pages 53-71 in
M. K. Wali, editor. Prairie: a multiple view. University of North Dakota
Press, Grand Forks, North Dakota, USA.
Whysong, G. L., and W. H. Miller. 1987. An evaluation of random and systematic
plot placement for estimating frequency. Journal of Range Management 40:
475-479.
Williamson, M. 1996. Biological invasions. Chapman & Hall, London, UK.
Young, J. A., and R. A. Evans. 1973. Downy brome-intruder in the plant success-
ion of big sagebrush communities in the Great Basin. Journal of Range
Management 26:410-415.